United Nations Resident Coordinator/Resident Representative, Colombia, United Nations Development Programme since 1988. United Nations Special Coordinator for Emergency Relief Operations, Mozambique, 1987-1988. Resident Representative, United Nations Development Program, Mozambique, 1985-1988, Equatorial Guinea, 1981-1983.
Deputy Resident Representative, United Nations Development Program, Mozambique, 1981-1983. Project(s) Manager & Expert in Public Administration, Department of Technical Cooperation for Development, United Nations, Uruguay, Dominican Representative, Ecuador and Niger, 1971-1981. Associate Proofessor, University of Paris II, 1976.
Dean of Fey & Professor, 1973, Professor, 1967-1971, University of Chile. Administration Director, Legal Director, Acting Under Secretary of State, Ministry of Land Use, Chile, 1960-1965.